<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link rel="stylesheet" href="/css/login.css">
</head>
<body>
login
<div>
  用户名 <input id="username"/>
</div>
<div>
  密码：<input type="password" id="password"/>
</div>
<div>
  <button id="login">登录-get</button>
  <button id="loginpost">登录-post</button>
</div>
<script src="/js/login.js"></script>
</body>
</html>